Anchor unit with expansive anchor member expanded by utilizing t

Details Anchor unit with expansive anchor member expanded by utilizing t Anchor unit with expansive anchor member expanded by utilizing t

1996-03-06

1998-05-05

Meyers, Steven N.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Frangible member

411 5, 411 40, 411 55, F16B 1306

Patent

active

057465568

ABSTRACT:
Anchor unit of this invention is provided with a plug which is driven into an anchor socket or sleeve to expand its split end portion by rotating a bolt which is engaged with the anchor socket or the plug by threads, in a predetermined direction. In one embodiment, the plug is a separable end portion of the bolt which is movable together with a remaining portion of the bolt when the bolt is rotated in the above described predetermined direction and twisted off or separated from the remaining portion when the bolt is rotated in a direction opposite to the above described predetermined direction.

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patent: 5333977 (1994-08-01), Sugawara
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patent: 5437525 (1995-08-01), Bras

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